The recorder shall record by legible handwriting, by typewriting, or by photographic reproduction process. A system of microphotography may be used by the recorder as a photographic reproduction process to record some or all instruments, papers and notices that are required or permitted by law to be recorded. All film used in the microphotography process shall comply with the minimum standards of quality approved by the United States Bureau of Standards. The original copy of the microfilm shall be kept in a safe and separate place for security purposes. A true copy of such film shall be arranged in a suitable place in the office of the recorder to facilitate public inspection.

SOURCE: GC § 13132.